tc: include stdint.h explicitly for UINT16_MAX

Fixes
| tc_core.c:190:29: error: 'UINT16_MAX' undeclared (first use in this function); did you mean '__INT16_MAX__'?
|    if ((sz >> s->size_log) > UINT16_MAX) {
|                              ^~~~~~~~~~

Signed-off-by: Khem Raj <raj.khem@gmail.com>

tc/tc_core.c

@@ -12,6 +12,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <unistd.h>
 #include <syslog.h>
 #include <fcntl.h>